Gamedev.js Jam celebrates Web games - build an HTML5 game within 13 days of the jam on a given theme, it runs between April 13th and 26th. Also, there are prizes!
Theme
This year's theme is... Balance!
Remember that your entry will be judged based on how well you implement the theme, but you can interpret it however you like.
Participating
Join us no matter your skill level - this game jam is a perfect opportunity to create your very first game, or build a prototype for your next commercial hit. Almost two weeks of development time should be more than enough!
You can use #gamedevjs hashtag on Twitter to share your progress, ask for feedback, see what others are building and hopefully help them out if they need it. There's also a Discord server for direct communication!
Submitting
Submit an HTML5 game between April 13th and 26th 2025. It can be a solo submission, or a team effort (no hard limit on the team size). You can even submit more than one entry if you want to. Submitted games should have English as the default language.
Voting
Voting will be open to all who submitted a game, and will happen for 13 days right after the submission period ends - between April 26th and May 9th. Overall winners will be announced on May 10th, and challenges on May 11th.
Games will be voted on based on a given criteria: Innovation, Theme, Gameplay, Graphics, and Audio. The Overall ranking will be based on the summary of those.
Partners
- Platinum: OP Guild, V Systems
- Gold: GitHub, Phaser Studio, OP Games, Playhop
- Silver: Poki, Arcadia, Playgama.com
- Bronze: Litemint, Enclave Games, js13kGames
Challenges
There are optional Challenges in the Jam - entries submitted to those will be judged separately by the panels of dedicated experts, and each offer unique prizes for the best games.
You are free to take on any of them, or even multiple at once.
Prizes
There are three levels of prizes: for all the entries, for given criteria, and for Challenges.
Overall prizes:
- 5 × Jsfxr Pro Solo lifetime license
- 10 × WebStorm IDE commercial license for 12 months
- 10 × Pyxel Edit editor license
- 5 × How to Make a Video Game All By Yourself ebook
- 10 × Jump Tracks game license
- 5 × GDevelop Gold license for 12 months
- 25 × The Supernatural Power Troll game license
- 2 × Construct 3 Personal license for 12 months
- 3 × CodePen Pro Starter account for 12 months
- 10 × PlayCanvas Personal plan for 12 months
- 5 × Zenva Academy subscription for 12 months
- 5 × CosmoPirates game license
- 30 × Athena Crisis game license
- 5 × Aseprite editor license
- 5 × Kenney pack: Game Assets All-in-1 and Asset Forge Deluxe
- 5 × Kronnect individual asset
V Shaders Challenge prizes:
- Top Prize: 4x $1000*
- Best Visuals: 4x $750*
- Best Tech: 4x $750*
- Community Vote: 4x $500*
Open Source Challenge prizes:
- 5 × GitHub Copilot Pro for individuals for 12 months
Build it with Phaser Challenge prizes:
- 4 × $250 cash from Phaser Studio
- 10 × Vampire Survivors bundle (game and 5 DLCs each)
$NOODS Challenge prizes:
- 1st Place: $500*
- 2nd Place: $300*
- 3rd Place: $200*
Experts
Panel of experts giving feedback to your entries (with their top5 picks each), or judging games from given Challenges.
Engines
You are free to use any game engine or library as long as the build/export is playable in the browser (so Unity, Unreal, or Godot are absolutely fine). We recommend using Phaser, Defold, or GDevelop, you might also consider Cocos, 8XR, or Kaplay, if you'd like to aim for multiplayer you can check Colyseus or Modd.io, and if you need an extra challenge, you can try the js13kGames-specific size-constraint ones like Kontra, Goodluck, or LittleJS.
Rules
The short version is: anything that can run on the Web in a browser without extra plugins is considered a valid jam entry. It's highly advised you create new content for the jam - submitting your old demos or already finished projects makes no sense.
If you have any questions or concerns please ask at the Community forums or join our Discord server.